EP2884874B1 - Dispositif d'infusion et procédé de fonctionnement d'un dispositif d'infusion - Google Patents

Dispositif d'infusion et procédé de fonctionnement d'un dispositif d'infusion Download PDF

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Publication number
EP2884874B1
EP2884874B1 EP13750688.7A EP13750688A EP2884874B1 EP 2884874 B1 EP2884874 B1 EP 2884874B1 EP 13750688 A EP13750688 A EP 13750688A EP 2884874 B1 EP2884874 B1 EP 2884874B1
Authority
EP
European Patent Office
Prior art keywords
brewing
brewing chamber
latch
axial direction
locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13750688.7A
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German (de)
English (en)
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EP2884874A1 (fr
Inventor
Daniel Fischer
Remo Sonderegger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eugster Frismag AG
Original Assignee
Eugster Frismag AG
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Publication of EP2884874A1 publication Critical patent/EP2884874A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
    • A47J31/407—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea with ingredient-containing cartridges; Cartridge-perforating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3604—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3623—Cartridges being employed
    • A47J31/3633—Means to perform transfer from a loading position to an infusing position
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details

Definitions

  • the present invention relates to a brewing device for extracting a portion capsule having a first brewing chamber element and a second brewing chamber element, wherein the first and / or the second brewing chamber element in an axial direction from a loading position, in which the first and the second brewing chamber element are spaced apart, in a Extraction position, in which the first and the second Brühhuntelement form a substantially closed brewing chamber, is movable, wherein the brewing device has a drive mechanism for moving the first and / or second Brühhuntelements.
  • Such a brewing device is for example from the document DE 10 2010 044 945 A1 known.
  • the brewing device is intended for extracting a portion capsule for producing a beverage, in particular coffee.
  • the brewing device comprises a second brewing chamber element which is designed as a bell-shaped cavity for receiving a portion capsule filled with a beverage substance.
  • a first brewing chamber element designed as a closure element is connected to a knee lever and can be moved along an axial direction from a loading position into an extraction position. In the extraction position, the closure element closes the bell-shaped cavity and forms a substantially closed brewing chamber.
  • An injection arrangement for introducing an extraction liquid into the portion capsule is arranged on the closure element, which interacts with the beverage substance within the portion capsule and is subsequently removed from the portion capsule by an extraction arrangement arranged on the second brewing chamber element and supplied to a drinking vessel for providing a beverage.
  • the brewing device In the loading position, wherein the closure element and the bell-shaped cavity are spaced, the brewing device is loaded with the portion capsule. Subsequently, the closure element is moved by means of the toggle lever in the extraction position.
  • Perforating means arranged on the closure element and on the bell-shaped cavity perforate the portion capsule so that openings are created for introducing and removing the extraction liquid during the brewing process in the extraction position, whereby a high extraction pressure prevails within the brewing chamber. It is known, such Brühvoriquesen means a toggle joint, which move the closure element from a loading position to an extraction position to form a substantially closed brewing chamber.
  • a disadvantage of such brewing devices is that the high extraction pressure prevailing during the brewing process in the brewing chamber has to be absorbed solely by the toggle joint, so that it is not possible to guarantee a sufficiently dense, brewing chamber secured against leakage of the extraction liquid.
  • the use of a toggle joint, which satisfies such requirements, is very complicated and expensive. It is therefore desirable to provide a brewing device which maintains a brewing chamber under high extraction pressure during the brewing process in such a closed state and thus prevents leakage of the extraction liquid, in which case the entire force due to the high extraction pressure in the brewing chamber is not limited to a toggle joint must be compensated. Moreover, it is desirable to provide a brewing device which has a high sealing of the brewing chamber at the same time low manufacturing and material costs.
  • the invention is therefore based on the object to provide a brewing device and a method for operating a brewing device, which does not have the disadvantages of the prior art and the extraction pressure of a toggle joint must not or only partially collected, whereby the sealing of the brewing chamber during the Brewing process is improved.
  • a cost-effective production of such a brewing device should be made possible.
  • a brewing device for extracting a portion capsule with a first brewing chamber element and a second brewing chamber element, wherein the first and / or the second brewing chamber element along an axial direction of a loading position in which the first and the second brewing chamber element are spaced from each other, in an extraction position in which the first and second Brühhuntelement form a substantially closed brewing chamber is movable, the brewing device having a drive mechanism for moving the first and / or second Brühhuntelements, wherein the brewing device a separate locking mechanism for locking the brewing chamber in the extraction position having.
  • the brewing device according to the invention has the advantage over the prior art that the brewing chamber, in contrast to the prior art with a separate locking device can be kept in the closed state to allow a higher tightness of the high extraction pressure brewing chamber during the brewing process.
  • the locking mechanism according to the invention moreover, the closing force is substantially reduced.
  • the parts of the locking mechanism can be made simpler and cheaper.
  • the production of beverages often places high demands on the brewing device in order to produce a drink of high quality. For example, in the production of espresso hot water is pressed under high pressure through the beverage substance. The extraction of such a liquid under high pressure places particularly high demands on the tightness of the brewing chamber of the brewing device in order to obtain a beverage of the desired quality.
  • the brewing device according to the invention therefore has a separate locking device, which is provided solely for locking the brewing device in the extraction position.
  • the brewing device according to the invention absorbs the high forces which occur during the brewing process due to a high extraction pressure within the brewing chamber by means of the locking mechanism.
  • the present invention therefore meets the increasing demand for inexpensive and at the same time high-quality brewing devices in a particularly suitable manner.
  • the drive mechanism has a drive element, which is preferably designed as a toggle joint, rack, spindle and / or pivot gear.
  • a drive mechanism formed in this way during the closure movement for transferring the brewing device from a loading position into an extraction position results in a connection, in particular without slippage, between Drive mechanism and the displaceable Brühhuntelement is present, so that a particularly stable brewing device with a long service life is available.
  • the drive mechanism can preferably be actuated manually by means of a hand lever and / or can be driven automatically by means of a drive motor.
  • an automatic drive mechanism leads to a special user-friendliness, since the brewing chamber can be closed by actuation of a switch or button. In such an automatically formed drive mechanism also the power of the drive motor can be reduced and thereby costs can be saved.
  • the locking mechanism can be transferred from a release position into a locking position for locking the brewing chamber in the extraction position.
  • the brewing device in the loading position in which the first and the second brewing chamber element are spaced from each other, particularly comfortable with a portion capsule filled, especially because due to the distance to arranged on the first and / or second brewing chamber element perforation significantly reduces the risk of injury becomes.
  • the locking mechanism has a bolt, wherein the bolt is preferably formed roller-shaped or spherical.
  • the roller or spherical design of the bolt in the transfer of the locking mechanism from the release position into the extraction position causes the locking movement, in particular due to the rolling motion of the bolt, takes place with a negligible force. This provides a particularly user-friendly brewing device.
  • the first brewing chamber element has a retaining element, at least one return spring and a displacement element, wherein the retaining element and the displacement element are connected by means of a return spring and wherein Retaining element relative to the sliding element is displaceable.
  • the retaining element connected to the displacement element by means of return spring during the brewing operation in the extraction position to the fact that the bolt between the first and second bevel, and the retaining member is clamped such that the standing under high extraction pressure brewing chamber on a force on the retaining element the bolt and this in turn at least partially transmits to the wall part of the brewing device, in particular to relieve the drive device.
  • the at least one latch is displaceable in the release position between the first brewing chamber element and the wall part along the axial direction.
  • a displaceably arranged latch during the transfer of the locking mechanism from the release position into the extraction position leads to the locking movement taking place due to the rolling movement of the bolt with a negligible force. This provides a particularly user-friendly brewing device.
  • a first wall of a fixedly connected to the brewing wall part at least a first slope and a second wall of the displacement element has at least a second slope, wherein the first slope, the second slope and the retaining element with the Latch in the locked position in contact.
  • the contact of the bolt with the first bevel, the second bevel and the sliding element during the brewing process in the locking position to the fact that the bolt between the first and second bevel, and the retaining member is in particular clamped such that the under high Extraction pressure standing brewing chamber transmits a force on the retaining element on the bolt and this in turn at least partially on the wall part of the brewing device to relieve the drive device.
  • the second bevel is formed such that in a transfer of the Locking mechanism from the release position into the locking position, a movement of the bolt in a direction perpendicular to the axial direction transverse direction is effected in a cavity formed by the first slope and the second slope.
  • movement of the latch into the cavity during the latching movement results in the latching mechanism being operable without an additional user-executable latching step, such as the insertion of a latching pin.
  • the lock is designed such that during the extraction process, a restoring force acting against the axial direction from the retaining element on the latch located in the locking position is absorbed by the first ramp.
  • the restoring force acting in the axial direction from the first bevel during the extraction process means that, in particular, the drive device is relieved particularly efficiently and thus a particularly dense and firm closure of the brewing chamber is made possible.
  • a beverage for example espresso, can be produced by means of a hot extraction liquid, in particular under high pressure.
  • the locking mechanism comprises a piston and a rotatably connected to the piston latch, which is provided for engaging in an opening of a Wandungssteils and / or for locking with at least one blocking element.
  • the engagement of the bolt in the opening, in particular gap or recess, of the wall part leads to the locking mechanism being operable without an additional locking step to be executed by the user, for example the insertion of a locking bolt.
  • the bolt is arranged angled in the loading position with respect to the axial direction, wherein the bolt is aligned in the locking position substantially perpendicular to the axial direction.
  • the pivotability of the latch between an angled arrangement and an arrangement oriented substantially perpendicular to the axial direction results in a particularly durable and robust brewing device being provided.
  • the brewing device according to the invention places high demands on the mechanical stability, in particular on the stability of the drive and the Verrieglungsmechanik.
  • the latch has a sliding surface for sliding on a guide surface of a displacement element of the first brewing chamber element.
  • the sliding surface for sliding on a guide surface results in a particularly durable and robust brewing device is provided.
  • the brewing device according to the invention places high demands on the mechanical stability, in particular on the Verrieglungsmechanik.
  • the brewing device for extracting a portion capsule has a first brewing chamber element and a second brewing chamber element, wherein the first and / or the second brewing chamber element along an axial direction from a loading position, in which the first and second brewing chamber element are spaced apart, in an extraction position in which the first and the second brewing chamber element form a substantially closed brewing chamber is movable, the brewing device having a drive mechanism for moving the first and / or second brewing chamber element, wherein the drive mechanism comprises a hand lever and a toggle joint, wherein the hand lever has a first coupling part and the toggle joint has a second coupling part, wherein the first and the second Coupling member via a gear connection with each other in operative connection to translate a movement of the hand lever on a movement of the toggle joint.
  • a drive mechanism formed in this way during the closure movement for transferring the brewing device from a loading position into an extraction position results in a connection, in particular without slippage, between the drive mechanism and the displaceable brewing chamber element, thus providing a particularly stable brewing device with a long service life stands.
  • the toggle lever joint has a first and a second toggle lever, wherein the first toggle lever has the second coupling part and the second toggle lever is rotatably connected to the first toggle lever on a first side and along a second side the axial direction is slidably disposed.
  • a drive mechanism formed in this way during the closing movement for transferring the brewing device from a loading position to an extraction position results in a particularly favorable, user-friendly force transmission from a hand lever movement to the closing movement in the axial direction for transferring the locking mechanism from a release position into a locking position is possible.
  • the bolt is pivotally connected to the retaining element at a connection point, wherein the bolt, in particular in the locking position of the locking mechanism between a locking element fixedly connected to the brewing device and a displaceable relative to the retaining element sliding element is einklemmber.
  • the latch is pivotable by means of a transfer of the locking mechanism from the release position to the locking position in a direction perpendicular to the axial direction transverse direction about a connection point extending through the pivot axis in an opening of a Wandungsteils the brewing device.
  • the latch is pivotable relative to the retaining element into the opening and / or out of the opening by means of a relative movement of the displacement element.
  • the displacement element is provided for acting on the bolt with a torque about a perpendicular to the axial direction through the connection point extending pivot axis.
  • the blocking element is provided for Bauftschung of the bolt with a further torque about the pivot axis, in particular, the further torque is in the opposite direction to the torque.
  • a method for operating a brewing device in particular the brewing device according to the invention, wherein in a first method step a first and / or a second brewing chamber element along an axial direction from a loading position, in which the first and the second brewing chamber element are spaced from each other, in an extraction position in which the first and the second brewing chamber element form a substantially closed brewing chamber is moved and in a second method step for locking the brewing chamber by means of a locking mechanism which moves from a release position to a locking position Locking the brewing chamber in the extraction position can be transferred, a bolt of the locking mechanism is moved in a direction perpendicular to the axial direction transverse direction.
  • the latching mechanism being operable without an additional user-executable latching step, such as the manual insertion of a latching pin.
  • the advantage over the prior art is achieved that in the brewing device according to the invention, the additional locking step by the user can not be forgotten, thereby characterized the brewing device according to the invention is particularly tight.
  • the high extraction pressure within the brewing chamber during the extraction of the beverage need not be absorbed solely by the drive mechanism. This advantageously provides a more cost-effective and simpler drive mechanism to be produced.
  • pivoting of the bolt about a pivot axis perpendicular to the axial direction in the second method step results in that the forces which are absorbed by the high extraction pressure prevailing in the brewing chamber during the brewing process, which is required, for example, for brewing espresso drinks, are absorbed by the wall part, in particular completely, so that the drive mechanism is relieved.
  • the further advantage is achieved that a much cheaper brewing device is provided.
  • a third step for unlocking the brewing chamber by means of a locking mechanism the bolt of the locking mechanism is moved in the transverse direction, and in a fourth step, the first and / or second brewing chamber element along the axial direction of the extraction position is moved back into the loading position.
  • movement of the latch out of the cavity during the latching movement results in the latching mechanism being operable without an additional user-executable latching step, such as the removal of a latch bolt.
  • the latch is displaced in the axial direction by a second slope of a displacement element of the first brewing chamber element and during the second method step the latch is transversely displaced from the second slope in one of the first slope the wall of the brewing device and the second inclined cavity is displaced and during the extraction process, a force acting from a retaining element of the first brewing chamber element on the latch in the locking position against the axial direction restoring force is clamped in the cavity between the first slope, the second slope and the retaining element.
  • the clamping of the bolt in the cavity between the first slope, the second slope and the sliding element during the brewing operation in the locking position causes the brewing chamber under high extraction pressure to exert a force via the retaining element on the bolt and this in turn at least partially transmits to the wall part of the brewing device to relieve the drive device.
  • This allows a particularly dense and firm closure of the brewing chamber, so that a beverage can be produced by means of a hot extraction liquid under high pressure.
  • the latch is moved out of the first bevel in the transverse direction out of a cavity formed by the first bevel and the second bevel and in the fourth method step the latch is moved away from the retaining element axial direction is shifted.
  • movement of the latch out of the cavity during the latching movement results in the latching mechanism being operable without an additional user-executable latching step, such as the removal of a latch bolt.
  • a sliding surface of the bolt is displaced on a guide surface of the displacement element.
  • a displacement of the sliding surface of the bolt on a guide surface of the displacement element to a particularly durable stable and robust brewing device is provided.
  • the brewing device according to the invention places high demands on the mechanical stability, in particular on the Verrieglungsmechanik.
  • the bolt is pivoted such that one end of the bolt engages in an opening of the wall part and / or is blocked by at least one blocking element with respect to an axial movement.
  • the engagement of the bolt in the opening, in particular gap or recess, of the wall part leads to the locking mechanism being operable without an additional locking step to be executed by the user, for example the insertion of a locking bolt.
  • FIGS. 1a to 1b Fig. 12 shows schematic sectional views of a brewing device 1 according to a first embodiment of the present invention.
  • the brewing device 1 has a first brewing chamber element 2 and a second brewing chamber element 3 which are spaced apart in a loading position so that a portion capsule 4 filled with a beverage substance (not shown) can be introduced in the loading direction.
  • the first brewing chamber element 2 is movable in the axial direction 5 in order to engage with the portion capsule 4 (see FIG FIG. 2 ) provided second brewing chamber element 3 to form a substantially closed brewing chamber 6.
  • the first brewing chamber element 2 comprises a perforation element 7 with perforation tips 8 for perforating the capsule cover 9 and a water supply channel (not shown) for injecting an extraction liquid into the portion capsule 4 during the brewing process.
  • the second brewing chamber element 3 comprises a further perforation tip (not shown) for perforating the capsule bottom 10 and for draining the extraction liquid which has interacted with the beverage substance inside the portion capsule 4 and a drainage channel 11 for draining the extraction liquid into a drinking vessel (not shown).
  • the brewing device 1 further comprises a drive mechanism 12, which preferably as toggle joint 13 (see FIG. 3 ), for transferring the first brewing chamber element 2 and the second brewing chamber element 3 from the loading position into an extraction position.
  • a drive mechanism 12 which preferably as toggle joint 13 (see FIG. 3 )
  • the toggle joint 13 of the drive mechanism 12 is driven by a drive motor, so that a reduction of the power of the drive motor is achieved in comparison to a brewing device without toggle joint.
  • the toggle joint 13 is manually operated by the hand lever 14.
  • the locking mechanism 15 comprises a preferably formed as a ball or roller latch 16, a disposed on a wall portion 17 of the brewing device 1 first slope 18, a arranged on a sliding element 19 of the first brewing chamber 2 second bevel 20 and one with the displacement element 19 of the first brewing chamber element second with a return spring 21 (see FIG. 2
  • the return spring 21 is very preferably arranged on an axis extending along the axial direction 5 and / or parallel to this axis.
  • FIG. 1a is a schematic sectional view of a brewing device 1 according to the first embodiment of the present invention shown in loading position.
  • the first brewing chamber element 2 and the second Bühhuntelement 3 are spaced apart such that a portion capsule 4 in perpendicular to the axial direction 5 extending loading direction (perpendicular to the paper plane in FIG. 2 ) can be introduced.
  • the distance between the first 2 and second brewing chamber element 3 is sufficiently large to minimize a risk of injury to the user by the perforation tips 8 arranged on the perforation element 7 of the first brewing chamber element 2 during the insertion of the portion capsule 4.
  • the toggle joint 13 of the drive mechanism 12 is in the loading position in a bent position, so that by means of a toggle joint 13 connected to the hand lever 14 or drive motor (not shown) taking advantage of the lever law, a closing movement in the axial direction 5 is executed quickly and powerfully.
  • the locking mechanism 15 is arranged in the loading position in a release position, wherein the latch 16 is moved within a cavity formed by the wall portion 17, the retaining element 22 and the second slope 20 along the axial direction 5 with the first brewing chamber element 2.
  • the latch 16 Upon movement of the first brewing chamber element 2 in the axial direction 5 from the loading position into the extraction position, the latch 16 is pushed by the second bevel 20, whereas when moved in the opposite direction 5, the retaining element 22 pushes the latch 16. In this case occur due to the preferred spherical or cylindrical shape of the bolt 16 in particular only negligible friction losses in the displacement of the bolt 16 with the first brewing chamber 2, which further advantageously has a cost-effective design of the drive mechanism 12.
  • FIG. 1b is a schematic sectional view of a brewing device 1 according to the first embodiment of the present invention shown in the extraction position.
  • the first brewing chamber element 2 and the second brewing chamber element 3 together form a substantially closed brewing chamber 6, wherein during the brewing process a portioned capsule 4 filled with a beverage substance is positioned, into which, preferably under high pressure, a hot extraction liquid is introduced which is in contact with the beverage substance interacts and is discharged through the drainage channel 11 into a drinking vessel.
  • the brewing chamber 6 is hermetically locked such that leakage of the extraction liquid from the brewing chamber 6 during the brewing process due to inadequate sealing is not possible.
  • the toggle joint 13 of the drive mechanism 12 is in the extraction position in an extended position and takes up a part of that force from the first brewing chamber element 2, which arises due to the high pressure in the brewing chamber 6 during the brewing process and is transmitted to the first brewing chamber element 2.
  • the locking mechanism 15 is disposed in the extraction position in a locking position, wherein the latch 16 is clamped within a cavity formed by the first slope 18 of the Wandungsteils 17, the retaining element 22 and the second slope 20.
  • a transfer of that force to the wall portion 17 of the brewing chamber 6 takes place, which arises due to the high pressure in the brewing chamber 6 during the brewing process and is transmitted via the retaining element 22 of the first brewing chamber element 2 on the latch 16.
  • This power transmission advantageously leads to a relief of the toggle joint 13, whereby a lower closing force, in particular during the brewing process, is required, whereby a simpler and more favorable embodiment of the brewing device 1 over the prior art is made possible.
  • FIGS. 2a to 2g 3 schematic views of a locking mechanism 15 according to a second embodiment of the present invention are shown, wherein the individual steps for locking and unlocking the locking mechanism 15 are explained in greater detail.
  • FIG. 2a illustrates a loading device located in the brewing device 1 with a locking mechanism 15 in the release position.
  • the latch 16 is between a wall portion 17 having a first slope 18 and a first brewing chamber element 2 having a displacement element 19 with a second bevel, a retaining element 22 and a return spring 21, which connects the retaining element 22 with the displacement element 19 elastically, along the axial direction 5 slidably disposed.
  • a portion capsule 4 is positioned in a receptacle 23 of a bell-shaped receiving element 23 provided for receiving the portion capsule 4 of a second brewing chamber element 3 firmly connected to the wall portion 17.
  • the particular spherical or cylindrical design of the bolt 16 allows a particularly easy and simple displacement of the first brewing chamber 2 due to the negligible rolling friction of the bolt 16th
  • FIG. 2b the first brewing chamber element 2 and the second brewing chamber element 3 are shown in the extraction position, wherein a substantially closed brewing chamber 6 is formed.
  • the locking mechanism 15 is in the release position.
  • the latch 16 is displaceably arranged, in particular in a transverse direction perpendicular to the axial direction 5, into a cavity formed by the first bevel 18, the second bevel 20 and the retaining element 22.
  • the locking mechanism 15 is shown during the brewing process.
  • the locking mechanism 15 is in the locking position, so that the forces resulting from the high extraction pressure during the brewing process via the displacement element 19 on the latch 16 and thus on the fixedly connected to the brewing device 1 wall portion 17 are transmitted.
  • the drive mechanism 12 and in particular the toggle lever joint 13 are loaded only very slightly compared to the prior art.
  • FIG. 2e It is illustrated that the first and the second brewing chamber element 3 are in the extraction position and the locking mechanism 15 is in the locking position, although the high extraction pressure after the brewing process inside the brewing chamber 6 is reduced. In a subsequent movement against the displacement element against the axial direction 5 and relative to the retaining element 22 of the latch 16 is moved by the first slope 18 in the transverse direction back into the release position.
  • FIG. 2f the first brewing chamber element 2 and the second brewing chamber element 3 are shown in the extraction position, wherein a substantially closed brewing chamber 6 is formed.
  • the locking mechanism 15 is in the release position.
  • the latch 16 is displaceably arranged, in particular in the transverse direction, in a cavity formed by the first bevel 18, the second bevel 20 and the retaining element 22.
  • This situation corresponds to that in Figure 2c illustrated arrangement, but with the difference that a subsequent movement of the first brewing chamber element 2 is made against the axial direction 5 to return the brewing device 1 in a loading position.
  • the brewing device 1 is corresponding FIG. 2a shown in a partially open position between the extraction position and the loading position.
  • the locking mechanism 15 is in the release position, so that the bolt 16 is arranged displaceably against the axial direction 5.
  • the bolt 16 is pushed against the axial direction 5 by the retaining element 22.
  • the spherical or cylindrical shape of the bolt 16 allows a particularly easy and simple displacement of the first Brühhuntelements 2, in particular due to the negligible rolling friction of the bolt 16.
  • the portion capsule 4 is first by means of gripping arms on the capsule flange (not shown) pulled along and then falls out of the brewing device 1 out.
  • FIG. 3 is a schematic view of a locking mechanism 12 according to a third embodiment of the present invention shown.
  • the latch 16 is clamped according to the third embodiment of the locking mechanism 15 in the locking position only between the first slope 18, a second wall 31 of the sliding element 19 and the retaining element 22.
  • FIGS. 4a to 4e 3 are schematic views of a locking mechanism 15 according to a fourth embodiment of the present invention.
  • the locking mechanism 15 according to the fourth embodiment of the present invention comprises a first brewing chamber member 2 movable along the axial direction, an opening 35, 35 'of the wall member 17, and a blocking member 36, 36'.
  • the first brewing chamber element comprises a piston 37 connected to the drive mechanism 12 and movable along the axial direction, a bolt 16, 16 'arranged with the piston at a first end rotatable about a connection point 33, 33' and having a sliding surface 38 a guide surface 39 of the displacement element 19 is in contact.
  • the sliding surface 38 of the bolt is arranged such that upon movement of the piston 37 in the axial direction 5, the sliding surface 38 of the bolt 16, 16 'along the guide surface 39 of the sliding element 19 is displaced.
  • the opening 35, 35 ' for example in the form of a gap, recess or an arbitrarily shaped cavity of the Wandungsteils 17, is arranged such that the latch 16, 16' in the locked position with a second end of the bolt 16, 16 'in the opening 35, 35 'engages.
  • the blocking element 36, 36 ' is arranged in the vicinity of the opening 35, 35' and firmly connected to the wall part 17 in order to block a movement of the first brewing chamber element 2, in particular of the displacement element 19, during the brewing process.
  • the latch 16, 16 'in the locking position along its main extension plane with the sliding element 19 in area contact so that a force due to a high extraction pressure within the brewing during the brewing process particularly well from the latch 16, 16' and taken over the block Element 36, 36 'can be transferred to the wall part 17.
  • the drive mechanism 12 is relieved in a particularly advantageous manner, whereby a cost in comparison with the prior art brewing device is provided.
  • FIG. 4a the locking mechanism 12 of the brewing device 1 is shown in the loading position, wherein the latch 16, 16 'with respect to the axial direction 5 in an angled position and the portion capsule 4 is outside an open brewing chamber 6.
  • the latch 16, 16 ' abuts the blocking element 36, 36', so that movement of the first brewing chamber element 2 out of the loading position against the axial direction 5 is blocked.
  • a movement of the piston 37 along the axial direction 5 out of the loading position leads to a rotation of the bolt 16 about an axis running through the connection point 33 perpendicular to the axial direction 5.
  • the bolt (16, 16 ') is arranged such that it can be pivoted from a position inclined relative to the axial direction 5 in the release position in a direction substantially perpendicular to the axial direction 5 in the extraction position.
  • FIG. 4b the locking mechanism 12 of the brewing device 1 is shown after an initial movement of the piston 37 in the axial direction 5. Due to the movement of the piston 37, a rotation of the bolt 16, 16 'about the perpendicular to the axial direction 5 through the connection point 33, 33' extending axis causes, so that the sliding surface 38 of the bolt 16, 16 'along the guide surface 39 of the sliding element 19th in the direction of the opening 35, 35 'takes place. During this movement, the displacement element 19 is displaced in the axial direction 5 in order to insert the portion capsule 4 into the brewing chamber 6.
  • FIG 4c the locking mechanism 12 of the brewing device 1 is shown in the release position, wherein the brewing chamber 6 is closed by the sliding element 19 and additionally by means of a sealing element 34, in particular in the form of a sealing ring, thus forming a substantially closed brewing chamber 6.
  • a further movement of the piston 37 in the axial direction 5 causes a transfer of the locking mechanism in the locking position, since the displacement element 19 rests on a receiving element 3 of a second Brühschelements 3, so that further movement of the displacement element 19 is blocked in the axial direction of the receiving element 23.
  • FIG. 4d the locking mechanism 12 of the brewing device 1 is shown in a position between the release position and locking position, wherein the brewing chamber 6 is closed by the displacement element 19 such that a substantially closed brewing chamber 6 is formed. Due to the blocking of the movement of the displacement element 19 in the axial direction 5, the sliding surface 38 of the bolt 16, 16 'is caused to be displaced perpendicular to the axial direction towards the opening 35, 35'. In this case, the latch 16, 16 'additionally guided by a further on the blocking element 36, 36', preferably curved, further guide surface, wherein the second end of the bolt 16, 16 'in the direction of the opening 35, 35' is moved.
  • the locking mechanism 12 of the brewing device 1 is shown in the locking position, wherein the brewing device 1 is in the extraction position and the brewing chamber 6 is substantially closed and in the extraction position in particular hermetically sealed and locked.
  • the latch 16, 16 ' engages in the opening 35, 35' of the Wandungsteils 17 and is, in particular with respect to a main extension plane of the bolt 16, 16 ', aligned substantially perpendicular to the axial direction 5.
  • the latch between the displacement element 19 and the blocking element 36, 36 ' is arranged such that movement of the displacement element against the axial direction 5 is blocked out of the extraction position.
  • the brewing chamber 6 it is advantageously possible to charge the brewing chamber 6 during the brewing process with a high extraction pressure in comparison to the prior art, and to close the brewing chamber hermetically.
  • coffee beverages of particularly good quality in particular espresso
  • the high extraction pressure prevailing in the interior of the hermetic sealed brewing chamber 6 is transmitted via the displacement element 19 in a particularly efficient manner to the latch 16, 16 'lying flat on the displacement element 19.
  • the extraction pressure is thereby transferred from the latch 16, 16 'to the blocking element 36, 36' and in particular partially to the piston 37, and received by the blocking element 36, 36 'integral with the wall part 17 of the brewing device 1.
  • the drive mechanism is relieved, which material and manufacturing costs due to the lower demand on the drive mechanism can be further reduced.
  • FIGS. 5a to 5c 3 are schematic views of a drive mechanism 12 according to one embodiment of the present invention.
  • the drive mechanism 12 has a hand lever 14 with a first coupling part 24 and a toggle joint 13 with a second coupling part.
  • the first coupling part 24 of the hand lever 14 is rotatably connected to the brewing device 1 about a first connecting shaft 28 and the second coupling part 25 of the toggle joint 13 is rotatably connected to the brewing device 1 about a second connecting axis 29.
  • a power transmission from the hand lever 14 via the first coupling part 24 to the second coupling part 25 takes place by means of a gear connection 32 which is arranged between the first and second coupling part 25.
  • such a form-fitting gear connection 32 leads to a particularly stable connection, in particular without slip, between the first coupling part 24 and the second coupling part 25.
  • the toggle joint 13 has a first toggle lever 26 which is connected at a first side to the second coupling part 25 and rotatably connected at a second side with a second toggle 27 is.
  • the second toggle lever 27 is in turn displaceably arranged on a further second side along the axial direction 5 and preferably connected to the first brewing chamber element 2.
  • the length of the first toggle lever 26 is preferably a length between 1 and 50 cm, more preferably a length between 10 and 30 cm and most preferably a length of about 22 cm.
  • the length of the second toggle lever 27 is preferably a length between 1 and 50 cm, more preferably a length between 20 and 40 cm and most preferably a length of about 31 cm.
  • the first toggle lever 26 is rotatably connected to the second toggle lever 27 about an axis, wherein the rotation of the first toggle lever 26 about the second connecting axis 29 axis for transferring the toggle joint 13 from the bent position to the extended position preferably between 80 and 300 degrees, more preferably between 120 and 160 degrees, and most preferably about 137 degrees.
  • FIG. 5a the brewing device 1 is shown in a loading position, wherein the hand lever 14 is in an open position and the toggle lever joint 13 in a bent position.
  • the hand lever 14 has a main extension direction, which extends in the open position of the hand lever 14 substantially perpendicular to the axial direction 5, in particular perpendicular to the main extension plane of the brewing device 1.
  • FIG. 5b the brewing device 1 is shown in a position between the loading position and the extraction position.
  • the hand lever 14 is rotated about the first connecting shaft 28, wherein by means of a gear connection 32, the rotational movement of the first coupling part 24 is transmitted to the second coupling part 25.
  • the first coupling part 24 has a larger radius than the second coupling part 25, so that a translation of the rotational movement of the first coupling part 24 to a rotational movement of the second coupling part 25 leads in a particularly advantageous manner with little effort to a fast rotational movement of the second coupling part 25.
  • FIG. 5c the brewing device 1 is shown in a further position between the loading position and the extraction position. While the hand lever 14 has been rotated only a slight angle about the first connecting shaft 28 in the closing position, due to the faster rotation of the second coupling member 25, the first toggle 26 is relatively larger than the hand lever 14 by a larger angle second axis of rotation has been rotated. As a result, a particularly rapid transfer of the toggle joint 13 is achieved by a bending position in an extended position, whereby the first brewing chamber element 2 connected to the toggle joint 13 is movable from the loading position into an extraction position at a particularly high speed.
  • FIG. 5d the brewing device 1 is shown in the extraction position.
  • the hand lever 14 is aligned in the closed position with the main extension direction substantially parallel to the brewing device 1 and along the axial direction 5.
  • the toggle joint 13 is transferred to the stretched position, whereby the first brewing chamber element 2 is in contact with the second brewing chamber element 3 and forms a substantially closed brewing chamber 6.
  • FIGS. 6a to 6e 3 are schematic views of a locking mechanism 15 according to a fifth embodiment of the present invention.
  • the locking mechanism 15 according to the fifth embodiment of the present invention comprises a first brewing chamber element 2 and a second brewing chamber element 3 displaceable along the axial direction 5, wherein the first brewing chamber element 2 is spaced from the second brewing chamber element 3 in the loading position such that a portion capsule 4 in FIG a direction of loading perpendicular to the axial direction 5 (not shown) can be inserted.
  • the first brewing chamber element 2 is movable along the axial direction 5 into an extraction position in order to form a substantially closed brewing chamber 6 with the second brewing chamber element 3, in particular during the brewing process.
  • a perforation element 7 is formed on the first brewing chamber element 2 (see FIG FIG. 1 ), which has perforation tips 8 for perforating the capsule lid 9 of the portion capsule 4, and a water supply channel for injecting an extraction liquid into the portion capsule 4 during the brewing process.
  • a further perforation tip for perforating the capsule bottom 10, as well as a discharge channel 11 for discharging the extraction liquid interacting with the beverage substance inside the portion capsule 4 into a drinking vessel (not shown) are preferably formed.
  • the drive mechanism 12 for moving the first brewing chamber element 2 from the loading position to the extraction position has a toggle joint 13 with a first toggle lever 26 and a second toggle 27 as the drive element.
  • the drive mechanism 12 is preferably actuated by means of a hand lever 14, not shown, wherein a first coupling part 24 of the hand lever 14 via a gear connection 32 with the rotatable on the wall portion 17 of the brewing device 1 arranged second coupling member 25 is operatively connected to a movement of the Hand lever 14 to a movement of the toggle joint 13 with the first toggle 26 and the second toggle lever 27 to transmit.
  • the second toggle lever is preferably movably connected to the first brewing chamber element 2 in order to effect a movement of the first brewing chamber element 2 between the loading position and the extraction position by means of the drive mechanism 12.
  • the locking mechanism 15 has a displacement element 19, which is also referred to as a piston 37, a movable along the axial direction 5 relative to the sliding element 19 and elastically connected by a return spring 21 to the sliding element 19 retaining element 22, and a latch 16.
  • the latch 16 is rotatably connected at a connection point 33 with the retaining element 22 of the first Brühschelements 2 and along the axial direction 5 in the region of the Wandungsteils 17 of the brewing device 1 in a release position, in particular in the loading position, slidably disposed. Furthermore, the latch 16 is configured to engage in an opening 35 of the Wandungsteils 17 and / or locking with at least one arranged on the wall portion 17 of the brewing device and fixedly connected to the wall portion 17 blocking element 36 in a locking position.
  • the displacement element 19 has a guide surface 39 with a first guide side 39 '(in FIG FIG. 6a shown) and a second guide side 39 "(in FIG. 6a shown), wherein the first guide side 39 'rests in the release position on the latch 16 and has a perpendicular to the axial direction 5 and perpendicular to the loading direction arranged first main extension plane.
  • the second guide side 39 '' of the guide surface 39 of the displacement element 19 has a second main extension plane parallel to the axial direction and perpendicular to the loading direction
  • the second main extension plane of the second guide side 39 ' is particularly preferably parallel to a further main extension plane of a wall 30 of the wall part 17 of the brewing device 1 and spaced from the other main extension plane such that the displacement element 19 generates a torque on the latch 16.
  • the latch 16 has a sliding surface 38 with a first sliding side 38 '(in FIG. 6c shown) and a second sliding side 38 "(in FIG. 6b shown), wherein the first sliding side 38 'in the release position on the first guide side 39' of the guide surface 39 of the displacement member 19 and is parallel to the first guide side 39 'is arranged and wherein the second sliding side 38 "parallel to the second guide side 39", parallel to the wall 30 of the wall portion 17 and slidably disposed on the wall 30 of the brewing device 1.
  • FIG. 6a the locking mechanism 15 of the brewing device 1 is shown in the loading position.
  • the first brewing chamber element 2 is preferably at a distance from the second brewing chamber element 3 such that a simple introduction of the portion capsule 4 in the loading direction is possible.
  • the latch 16 is moved in the loading position on the basis of the first sliding side 38 'of the sliding surface 38 abutting the Verschiebeelements19 and / or the connection at the connection point 33 in a movement along the axial direction with the first Brühschelement 2.
  • no rotational movement about the connection point 33 is carried out by the latch 16 which is in the release position.
  • FIG. 6b the locking mechanism 15 of the brewing device 1 is shown after an initial movement of the piston 37 in the axial direction 5.
  • the latch 16 is still in the release position, wherein the first sliding side 38 'of the sliding surface 38 of the bolt 16 abuts against the first guide side 39' of the guide surface 39 of the displacement element 19 and is aligned parallel thereto.
  • the first brewing chamber element 2 and the second brewing chamber element 3 are in the extraction position and form a substantially closed brewing chamber 6.
  • the retaining element 22 of the first brewing chamber element 2 rests on the capsule cover 9 and / or the receiving element 23 of the portion capsule 4 such that a further movement of the retaining element 22 in the axial direction 5 is effected a relative movement of the displacement element 19 to the retaining element 22 connected by means of the return spring 21.
  • the first guide side 39 'of the guide surface 39 of the displacement element 19 abuts the first sliding side 38' of the sliding surface 38 of the bolt 16 in such a way that torque is generated on the latch 16 in the axial direction 5 by the displacement element 19 during further movement of the displacement element 19 , Further movement of the displacement element 19 or of the piston 37 along the axial direction 5 from the loading position into the extraction position thus leads to a rotational movement or pivoting movement of the bolt 16 about an axis extending through the connection point 33 perpendicular to the axial direction 5.
  • a rotation of the bolt 16 is effected about the perpendicular to the axial direction 5 through the connection point 33 extending axis, wherein the first sliding side 38 'of the sliding surface 38 of the bolt 16 on the first guide side 39' of the guide surface 39th the sliding element 19 of the first brewing chamber element 2 slides and the second sliding side 38 "of the sliding surface 38 of the bolt 16 is pivoted in the direction of the opening 35 into a locking position.
  • FIG. 6c the locking mechanism 15 of the brewing device 1 is shown between the release position and the locking position, wherein the brewing chamber 6 is closed by the retaining element 22 and thus forms a substantially closed brewing chamber 6.
  • a further movement of the displacement element 19 in the axial direction 5 causes a locking movement of the locking mechanism 15 in the locking position.
  • the first guide side 39 'of the guide surface or the corner region between the first guide side 39' and the second guide side 39 "of the guide surface 39 of the displacement element 19 slides during the locking movement on the first sliding side 38 'of the sliding surface 38 of the latch 16 until the second sliding side 38". the sliding surface of the bolt rests against the blocking element 36.
  • the second sliding side 38 "of the sliding surface 38 of the bolt 16 is thereby displaced perpendicular to the axial direction towards the opening 35.
  • the bolt 16 is additionally supported by a further guide surface, arranged in the region of the opening 35, of a first slope 18 of the wall 30 of the wall part 17 .
  • FIG. 6d the locking mechanism 15 of the brewing device 1 is shown between the release position and the locking position, wherein the brewing chamber 6 is closed by the retaining element 22 and thus forms a substantially closed brewing chamber 6.
  • a pivoting movement of the bolt 16 about the connection point 33 is blocked due to the second sliding side 38 "of the sliding surface 38 of the bolt 16 resting against the blocking element 36.
  • the locking element 16 is in the locking position the restoring force of the return spring 21 relative to the receiving element 23 resting on and relative to the located in the opening 35 in the locking position latch 16 on slidably disposed to transfer the toggle joint from a substantially angled position, wherein the first toggle lever 26 and the second toggle lever 27 form an angle of less than 180 degrees, preferably between 160 and 179 degrees, to form the second connection axis 29 in an extended position, wherein the angle between the first toggle lever 26 and the second toggle lever 27 about the second connecting axis 29, more preferably exactly 180 degrees.
  • FIG. 6e is the locking mechanism 15 of the brewing device 1 shown in the locked position, wherein the brewing device 1 is in the extraction position and the brewing chamber 6 is substantially closed and in the extraction position in particular hermetically sealed and locked.
  • the latch 16 engages the opening 35 of the wall part 17 and is aligned with the second sliding side 38 "of the sliding surface 38 substantially perpendicular to the axial direction 5.
  • the toggle joint 13 is arranged in an extended position such that a movement of the displacement element against the axial direction 5 is blocked out of the extraction position by the drive element, in particular the toggle joint 13.
  • the brewing device 1 has two arranged on opposite positions bar 16, which compensate for a force perpendicular to the axial direction 5 and perpendicular to the loading direction respectively.
  • the toggle joint 13 With an unlocking of the locking mechanism 15, the toggle joint 13 is transferred from the extended position back into the bending position, wherein the restoring force of the return spring 21 causes a movement of the displacement element 19 relative to the retaining element 22 against the axial direction 5 and the unlocking movement, particularly advantageous for the user, supported.
  • FIGS. 7a to 7b 2 schematic views of a locking mechanism 15 according to a sixth embodiment of the present invention are shown, which essentially correspond to those in FIGS. 4a to 4e corresponds to the fourth embodiment described.
  • the locking mechanism 15 according to the sixth embodiment of the present invention includes a first brewing chamber member 2 movable along the axial direction, an opening 35 of the wall member 17, and a blocking member 36.
  • the first brewing chamber element 2 has a latch 16, which has a main direction of extension, and which is connected to the displacement element 19 at a connection point 33 at a first end.
  • the latch 16 is pivotable about the connection point 33.
  • FIG 7a the locking mechanism 15 is shown in the release position.
  • the latch 16 has a sliding surface 38, the sliding surface 38 being provided for sliding the latch 16 along the retaining element 22.
  • the latch 16 slides along the retaining element such that a second end of the latch 16 opposite the first end along the main extension direction is moved into the opening 35.
  • FIG. 7b the Verreigelungsmechanik 15 is shown in the locked position.
  • the second end of the bolt 16 engages in the opening 35, so that the brewing chamber 6 formed by the first brewing chamber element 2 and the second brewing chamber element 3 is locked.
  • the blocking element 36 is in this case provided for receiving forces that are transmitted from the latch 16 to a wall portion 17 of the brewing device 1. For example, a force due to a high extraction pressure within the brewing chamber 6 is taken up by the latch 16 during the brewing process and transmitted to the wall part 17 via the blocking element 36.
  • FIGS. 8a to 8b 3 are schematic views of a locking mechanism 15 according to a seventh embodiment of the present invention.
  • a first brewing chamber element 2 is shown in a side view.
  • the portion capsule 4 rests on a retaining arm 22 ', which is firmly connected to the retaining element 22 here.
  • the first brewing chamber element 2 has a holding device 40.
  • the holding device 40 here comprises in particular a further retaining arm 41, which is provided for holding the portion capsule 4 in its position taken after the loading of the brewing device 1.
  • the holding device 40 via a on the Retaining element 22 attached retaining spring 22 'relative to the retaining member 22 movably arranged.
  • a movement of the holding device 40 along a movement direction 100 parallel to the axial direction 5 is indicated relative to the retaining element 22 by an arrow 100, the holding device 40 being movable between a first holding position 101 and a second holding position 102.
  • the holding device 40 is at least partially frame-like the latch 16 formed surrounding.
  • the holding device 40 is in particular designed such that the latch 16 can be swiveled in and swung out in a transverse direction perpendicular to a main extension plane of the holding device 40 and to the axial direction 5.
  • FIGS. 8a and 8b In each case two possible positions of the holding device 40 are shown relative to the retaining element 22, wherein in FIG.
  • the holding device is arranged in a further second holding position 102 ', wherein the distance between the first holding position 101 and the further second holding position 102' along the axial direction 5 is greater than that in FIG. 8a illustrated distance between the first holding position 101 and the second holding position 102nd
  • FIGS. 9a to 9e 3 are schematic views of a locking mechanism 15 according to an eighth embodiment of the present invention.
  • the brewing device 1 comprises a first brewing chamber element 2 and a second brewing chamber element 3, in which case the first brewing chamber element 2 along the axial direction 5 from the loading position, in which the first brewing chamber 2 and the second brewing chamber 3 are spaced from each other, in an extraction position, in which the first brewing chamber element 2 and the second brewing chamber element 3 form a substantially closed brewing chamber 6, is movable relative to the second brewing chamber element 3.
  • a receiving element 23 for receiving a portion capsule 4 in the extraction position is arranged on the second brewing chamber element 3.
  • the brewing device 1 here has a drive mechanism 12 for moving the first brewing chamber element 2.
  • the brewing device 1 here has a separate locking mechanism 15 for locking the brewing chamber 6 in the extraction position.
  • the locking mechanism 15 from a release position into a locking position for locking the brewing chamber 6 in the extraction position can be transferred.
  • the Verrieglungsmechanik 15 includes at least two along a direction perpendicular to the axial direction 5 transverse direction - parallel to the plane - arranged on opposite sides latch 16.
  • the locking mechanism exactly one, three, four or more latch 16, wherein the latch 16 respectively are formed.
  • the locking mechanism will be described below by way of example with reference to such a bolt 16.
  • the latch 16 in particular essentially designed such that the latch 16 is pivotally connected about a connection point 33 with the first brewing chamber element 2, in particular the retaining element 22.
  • FIG. 9a the brewing device 1 is shown in the release position, wherein in particular the portion capsule 4 is already arranged in the brewing device 1.
  • the first brewing chamber element 2 a retaining element 22 and a sliding element 19, wherein the retaining element 22 and the displacement element 19 elastically, in particular by means of a return spring 21 (not shown), are interconnected and wherein the retaining element 22 along the axial direction 5 relative to the Displacement element 19 is displaceable.
  • the latch 16 is connected in particular to a connection point 33 with the first brewing chamber element 2.
  • the latch 16 is arranged pivotable relative to the first brewing chamber element 2 about a pivot axis extending through the connection point 33.
  • the pivot axis is arranged perpendicular to the axial direction 5.
  • the latch 16 is connected via the connection point 33 with the retaining element 22.
  • the latch 16 is displaceable in the release position between the first Brühschelement 2 and the wall portion 17 along the axial direction 5 together with the first Brühschelement 2.
  • the bolt on a sliding surface 38 wherein in particular during a movement of the first Brühschelements 2 between the loading position and the extraction position along the axial direction 5, the sliding surface 38 is substantially in operative contact with the wall portion 17 in that the latch 16 is pivoted.
  • the sliding surface 38 comprises a first sliding side 38 'and a second sliding side 38 ", wherein in particular the second sliding side 38" has a main extension plane, which is arranged in the release position substantially parallel to a main extension direction of the Wandungsteils 17, in particular parallel to the axial direction 5 is.
  • An opening 35 is arranged on the wall part 17, wherein the opening 35 is provided in particular for receiving a pivoted-out bolt 16 in the locking position, so that the brewing chamber 6 can be hermetically locked by means of the bolt 16 which is in operative contact with a blocking element 36 in the extraction position is.
  • the blocking element 36 is formed as a wall of the wall part 17 in the region of the opening 35.
  • the portion capsule 4 is displaced from the first brewing chamber element 2 along the axial direction 5 into the receiving element 23 of the second brewing chamber element 3 until the first brewing chamber element 2 and the second brewing chamber element 3 abut each other and form the brewing chamber 6.
  • FIG. 9b The first brewing chamber element 2 and the second brewing chamber element 3 form a brewing chamber 6, in which the portion capsule 4 is arranged.
  • the locking mechanism 15 is shown in the release position.
  • the latch 16 is arranged in a region of the opening 35 of the wall part 17 when the first brewing chamber element 2 rests against the second brewing chamber element 3.
  • the main extension plane of the second sliding side 38 "is arranged substantially parallel to the axial direction 5 or parallel to the main extension direction of the wall 17.
  • the latch is arranged in the region of the opening 35 such that the latch 16 is perpendicular to the axial direction 5
  • the latch is then pivoted into the opening 35 into - ie pivoted in - transverse direction in the opening 35 of the Wandungssteils 17 in pivotable ,
  • FIG. 9c the locking mechanism 15 is shown during the transition from the release position to the locking position.
  • the latch 16 is pivoted relative to the retaining element 22 during the locking movement by means of a relative movement of the displacement element 19.
  • a torque is generated by means of this relative movement, so that the pivoting of the bolt 16 is effected in the opening 35 into it.
  • the displacement element 19 on a guide surface 39 wherein the guide surface 39 is in operative contact with the first sliding side 38 'of the bolt 16 during the relative movement.
  • the latch 16 is pivoted in particular until the second sliding side 38 "of the sliding surface 38 of the bolt 16 strikes against the blocking element 36.
  • the Verrielgungsmechanik 15 is shown in the locking position, wherein the second sliding side 38 "rests on the blocking element 36.
  • the latch 16 is formed such that the latch 16 in the locking position between the sliding element 19 and the blocking element 36 in the
  • the latch 16 here in plan view has a shape of a circular sector, wherein the connection point 33 is arranged substantially in the region of the center point 33 of the circular sector, in which case essentially a first circle radius 38 'passing through the first sliding side 38'. and a second circle radius 38 "is formed by the second sliding side 38".
  • an angle included between the first circle radius 38 'and the second circle radius 38 " is most preferably between 45 and 135 degrees, more preferably between 70 and 110 degrees, most preferably about 90 degrees.
  • the locking mechanism 15 In the Extraction position is the locking mechanism 15 here simultaneously in the Verrieglungs ein, the brewing chamber 6 is hermetically sealed and locked.
  • FIG. 9e the brewing device 1 is shown in the extraction position, wherein the locking mechanism 15 has the locking position.
  • FIG. 9e is essentially an enlarged view of the FIG. 9d .
  • the latch 16 is clamped here between the displacement element 19 and the blocking element 36 such that the pivotable about the connection point 33 bolt 16 a outgoing of the displacement element 19 force in the direction perpendicular to the axial direction 5 transverse direction over the blocking element 36 transmits to the wall portion 17 of the brewing device 1.
  • pivoting back of the bolt 16 out of the opening 35 is prevented, in particular, by the sliding element 19, which is in operative contact with the first sliding side 38 'on the guide surface 39.
  • the displacement element 19 is moved away relative to the retaining element 22 along the axial direction 5 of the second brewing chamber element 3, so that the latch 16 is again pivoted back out of the opening 35 out.
  • the latch 16 is only moved by a movement of the first Brühschelements 2 in the loading position along the axial direction 5 with the retaining element 22.
  • the latch 16 is acted upon by a relative movement of the blocking element 36 relative to the latch 16 with a torque, so that the latch 16 is pivoted out of the opening and the locking mechanism 15 has the release position.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)

Claims (15)

  1. Dispositif d'infusion (1) pour extraire une capsule (4) avec un premier élément de chambre d'infusion (2) et un second élément de chambre d'infusion (3), dans lequel le premier (2) et/ou le second (3) élément de chambre d'infusion est déplaçable le long d'une direction axiale (5) d'une position de chargement, dans laquelle le premier (2) et le second (3) éléments de chambre d'infusion sont espacés l'un de l'autre, à une position d'extraction, dans laquelle le premier (2) et le second (3) éléments de chambre d'infusion forment une chambre d'infusion essentiellement fermée (6), dans lequel le dispositif d'infusion (1) présente un mécanisme d'entraînement (12) pour le déplacement du premier (2) et/ou du second (3) élément de chambre d'infusion, caractérisé en ce que le dispositif d'infusion (1) présente un mécanisme de verrouillage séparé (1) pour le verrouillage de la chambre d'infusion (6) dans la position d'extraction.
  2. Dispositif d'infusion (1) selon la revendication 1, caractérisé en ce que le mécanisme d'entraînement (12) présente un élément d'entraînement, qui est formé de préférence par une articulation à genouillère (13), une crémaillère, une broche et/ou un engrenage de pivotement.
  3. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le mécanisme d'entraînement (12) peut de préférence être actionné manuellement au moyen d'une manette (14) et/ou être entraîné automatiquement au moyen d'un moteur d'entraînement.
  4. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le mécanisme de verrouillage (15) peut être déplacé d'une position de libération à une position de verrouillage pour le verrouillage de la chambre d'infusion (6) dans la position d'extraction.
  5. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le mécanisme de verrouillage (15) présente un verrou (16), dans lequel le verrou (16) est de préférence réalisé en forme de cylindre ou en forme de bille.
  6. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément de chambre d'infusion (2) présente un élément de retenue, au moins un ressort de rappel (21) et un élément coulissant (19), dans lequel l'élément de retenue (22) et l'élément coulissant sont reliés au moyen d'un ressort de rappel (21) et dans lequel l'élément de retenue (22) est déplaçable par rapport à l'élément coulissant (19).
  7. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un verrou (16) peut dans la position de libération être déplacé entre le premier élément de chambre d'infusion (2) et une partie de paroi (17) le long de la direction axiale (5).
  8. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une première paroi (30) d'une partie de paroi (17) solidement reliée au dispositif d'infusion (1) présente au moins une première rampe (18) et une seconde paroi (31) de l'élément coulissant (19) présente au moins une seconde rampe (20), dans lequel la première rampe (18), la seconde rampe (20) et l'élément de retenue (22) sont en contact avec le verrou (16) dans la position de verrouillage.
  9. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la seconde rampe (20) est réalisée de telle manière que lors d'un passage du mécanisme de verrouillage (15) de la position de libération à la position de verrouillage on provoque un déplacement du verrou (16) dans une direction transversale perpendiculaire à la direction axiale (5) dans un espace creux formé par la première rampe (18) et la seconde rampe (20).
  10. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le blocage est réalisé de telle manière que pendant le processus d'extraction une force de rappel agissant à l'inverse de la direction axiale (5) depuis l'élément de retenue sur le verrou (16) se trouvant dans la position de verrouillage soit reprise par la première rampe (18).
  11. Dispositif d'infusion (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le mécanisme de verrouillage (15) présente un piston (37) et un verrou (16) relié de façon rotative au piston (37), qui est prévu pour s'engager dans une ouverture (3) d'une partie de paroi (17) et/ou pour le verrouillage avec au moins un élément de blocage (36).
  12. Dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le mécanisme d'entraînement (12) présente une manette (14) et une articulation à genouillère (13), dans lequel la manette (14) présente une première partie de couplage (24) et l'articulation à genouillère (13) présente une seconde partie de couplage (25), dans lequel la première et la seconde (25) parties de couplage sont en liaison active l'une avec l'autre par une liaison par roues dentées (32), afin de convertir un mouvement de la manette (14) en un mouvement de l'articulation à genouillère (13).
  13. Procédé de fonctionnement d'un dispositif d'infusion (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que dans une première étape du procédé on déplace un premier (2) et/ou un second (3) élément de chambre d'infusion le long d'une direction axiale (5) d'une position de chargement, dans laquelle le premier (2) et le second (3) éléments de chambre d'infusion sont espacés l'un de l'autre, à une position d'extraction, dans laquelle le premier (2) et le second (3) éléments de chambre d'infusion forment une chambre d'infusion essentiellement fermée (6) et dans une deuxième étape du procédé pour le verrouillage de la chambre d'infusion (6) au moyen d'un mécanisme de verrouillage (15), qui peut être déplacé d'une position de libération à une position de verrouillage pour le verrouillage de la chambre d'infusion (6) dans la position d'extraction on déplace un verrou (16) du mécanisme de verrouillage (15) dans une direction transversale perpendiculaire à la direction axiale (5) et/ou on fait pivoter le verrou autour d'un axe de pivotement perpendiculaire à la direction axiale (5).
  14. Procédé selon la revendication 13, caractérisé en ce que dans une troisième étape du procédé pour le déverrouillage de la chambre d'infusion (6) au moyen d'un mécanisme de verrouillage (15) on déplace le verrou (16) du mécanisme de verrouillage (15) dans la direction transversale, et dans une quatrième étape on ramène le premier (2) et/ou le second (3) élément de chambre d'infusion le long de la direction axiale (5) de la position d'extraction à la position de chargement.
  15. Procédé selon la revendication 13, caractérisé en ce que pendant la première étape du procédé le verrou (16) est déplacé en direction axiale (5) à partir d'une seconde rampe (20) d'un élément coulissant du premier élément de chambre d'infusion (2) et pendant la deuxième étape du procédé le verrou (16) est déplacé à partir de la seconde rampe (20) en direction transversale dans un espace creux formé par la première rampe (18) de la paroi du dispositif d'infusion (1) et la seconde rampe (20) et pendant le processus d'extraction il est coincé dans l'espace creux entre la première rampe (18), la seconde rampe (20) et l'élément de retenue (22) par une force de rappel agissant à l'inverse de la direction axiale (5) depuis un élément de retenue du premier élément de chambre d'infusion (2) sur le verrou (16) en position de verrouillage.
EP13750688.7A 2012-08-20 2013-08-15 Dispositif d'infusion et procédé de fonctionnement d'un dispositif d'infusion Active EP2884874B1 (fr)

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DE102012107615 2012-08-20
DE102012108653.2A DE102012108653A1 (de) 2012-08-20 2012-09-14 Brühvorrichtung und Verfahren zum Betrieb einer Brühvorrichtung
PCT/EP2013/067069 WO2014029685A1 (fr) 2012-08-20 2013-08-15 Dispositif d'infusion et procédé de fonctionnement d'un dispositif d'infusion

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EP (1) EP2884874B1 (fr)
CN (1) CN104812276B (fr)
AU (1) AU2013305155C1 (fr)
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CA (1) CA2881014C (fr)
DE (1) DE102012108653A1 (fr)
IL (1) IL236977B (fr)
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MX365112B (es) 2019-05-23
EP2884874A1 (fr) 2015-06-24
BR112015003219B1 (pt) 2020-12-15
RU2651496C2 (ru) 2018-04-19
AU2013305155C1 (en) 2017-07-06
CN104812276A (zh) 2015-07-29
US10045653B2 (en) 2018-08-14
SG11201501032TA (en) 2015-04-29
CN104812276B (zh) 2019-01-18
CA2881014C (fr) 2017-09-26
IL236977A0 (en) 2015-03-31
MX2015001933A (es) 2015-06-22
IL236977B (en) 2019-09-26
BR112015003219A2 (pt) 2017-10-10
AU2013305155B2 (en) 2015-11-26
WO2014029685A1 (fr) 2014-02-27
DE102012108653A1 (de) 2014-02-20
RU2015109635A (ru) 2016-10-10
AU2013305155A1 (en) 2015-03-12
US20150238039A1 (en) 2015-08-27
CA2881014A1 (fr) 2014-02-27

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